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Denver Tax Attorney

Nick Richards

Partner & Co-Chair of the Cannabis Law Group

Nick Richards is a partner and co-chair of the Cannabis Law practice group at Greenspoon Marder LLP. He represents individuals and businesses in tax audits & trials, M&A, in managing tax debt, and he advises cannabis companies, owners and investors regarding tax and regulatory compliance matters. Mr. Richards has been a tax attorney for more than twenty years beginning his career with the IRS where he was a leading trial attorney, a Chief Counsel advisor, and a Special Assistant United States Attorney.

With his broad experience and understanding at all phases of the tax system, from reporting and assessment through appeals, court, and tax debt resolution, Mr. Richards achieves successful legal solutions tailored to his individual client’s needs. Mr. Richards also teaches tax attorneys and CPAs throughout the US and he is an Adjunct Professor of Law at the University of Denver, Graduate Tax Program.

Taxes can be stressful and Mr. Richards’ clients find relief in his broad experience in the IRS and in representing taxpayers large and small. He understands the tax system, provides informed advice, and protects taxpayers from the mistakes and missteps of those less experienced. Several years after leaving the IRS, he represented a Colorado cannabis company in one of the first IRS audits in the legalized industry. Since that ground-breaking case, he has gone on to successfully represent companies in many cities, states, courts and before the federal government. In addition to tax audits, trials and collections, he is widely recognized as a leading cannabis industry attorney and has extensive experience in IRC Section 280E and BSA cash reporting requirements. His knowledge of the tax system is essential when advising business owners and investors, particularly in mergers, acquisitions and entity formation.

Nick Richards is a father of two young children, a proud husband, a music fan, and he enjoys the outdoors when not fighting for his clients.

Court Admissions

  • United State Tax Court
  • Colorado
  • California

Bar Admissions

  • Colorado
  • California


  • J.D., Lewis & Clark College, 1998
  • B.A., University of California, Santa Barbara, 1995

Professional and Community Involvement

  • Bhang Corporation, Board of Directors
  • University of Denver, Adjunct Professor of Law
  • Cannabis Certification Counsel, Board Member
  • Cannabis Growth Opportunity Corp, Board Member
  • California State Bar, Member
  • Colorado State Bar, Member
  • ABA Tax Section, Member
  • National Cannabis Industry Association, Member
  • Future Tax Leaders, Member
  • AICPA Cannabis Expert Panel

Speaking Engagements

  • Speaker, “MSO Tax Roundtable: Developments, News, Insights, & Questions on All Things Tax-related in The Cannabis Industry,” Columbia Care, September 19, 2022
  • Speaker, “What if 280E Goes Away?,” CalCPA’s Cannabis Business Virtual Symposium, August 6, 2021
  • Speaker, “Navigating the 280E Tax Burden,” 2021 New Jersey Society of Certified Public Accountants (NJCPA) Cannabis Conference, August 5, 2021
  • Speaker, “Cannabis Taxation Compliance: 280E ChangesEmerge Virtual Cannabis Conference & Expo, June 23, 2021
  • Speaker, “Tax Conference, 33rd AnnualICLE, May 27, 2021
  • Speaker, “What 280E is NOT Attacking – Emerging Cannabis Industry Tax Trends” GM Webinar, May 18, 2021
  • Speaker, “Cannabis Industry Finances & Legal UpdateJewish Federation of Broward County, April 20, 2021
  • Speaker, “280E: The Tax Man’s Marijuana SecretsMarijuana Business Daily, April 15, 2021
  • Speaker, “Cross-Border Cannabis Issues,” GM Webinar, March 24, 2021
  • Speaker, “280E Regulations & How to Lower Your 280E Tax Burden,” November 12, 2020
  • Speaker, “How to Excel in Tax and Business,” TaxForward’s 4th Annual Conference, October 19, 2020
  • Speaker, “Clearing the Haze Around 471(c),” BBB Virtual Conference, August 5, 2020
  • Presenter, “IRC 471(c) and the Future of IRC 280E,” June 26, 2020
  • Presenter, “Basics of Civil Tax Controversy and Procedure,” Master Tax Mixer, June 24, 2020


  • National Law Journal, “Cannabis Trailblazer,” 2022
  • Cannabis Law Report, “The Global Top 200 Cannabis Lawyers” List, 2021-2022


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